As we reported Tuesday, the government shutdown is pushing the nation's food safety system to its limits.
For instance, there is normally a team of eight people overseeing the critical foodborne illness tracking database PulseNet. This team identifies clusters of sickness linked to potentially dangerous strains of pathogens such as E. coli or salmonella.
Look closely at just about any can of tuna sold in the U.S. and you'll find a tiny stamp. Now for more than 20 years, that stamp has certified that no dolphins were harmed or killed when the tuna was caught. For nearly that long, Mexico and the U.S. have been fighting over that label. Mexico says it's made great strides protecting dolphins and that the U.S. now unfairly blocks Mexican tuna from its markets.